. >> shame on the nra! >> reporter: speaking out for a political action committee, the group says the gun rights group is partly to blame for tragedies like newtown. but the executive director of gun owners of america thinks principals and teachers should carry guns to prevent tragedies like newtown. >> there are members of congress that would like to see the school zone gun ban done away with. and i think that's encouraging. >> reporter: pro-gun rights senator joe mansion of west virginia called on the gun industry to come together with congress to work on what he called a reasonable approach to curbing gun violence. he said all options should be on the table. cbs news, new york. >>> there is progress to report on fiscal cliff negotiations. two weeks from today, the painful series of spending cuts and tax increases will automatically go into effect if washington can't come up with a budget deal. late monday, though, we learned congressional republicans and the president are narrowing the gap in their diffe